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Avoid the example bitstream header to validate the bitstream that should
be loaded into the FPGA. The header is mostly 0xFFFFFFFF with a few
special values at a certain offsets and can be better described with the
offsets and their magic values.
As a drive by, this fixes/removes a broken check in the header
validation. The != operator has a higher precedence than ?: and this
check should have had parenthesis around the ?: expression:
bin_header[i] != (byte_order == XILINX_BYTE_ORDER_BIT) ?
bin_format[i] : __swab32(bin_format[i])
Signed-off-by: Michael Tretter <m.tretter@pengutronix.de>
Reviewed-by: Thomas Haemmerle <thomas.haemmerle@wolfvision.net>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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The bitstream header has 5 fields, that start with a char for the type.
Four fields have a big-ending length and a null-terminated string for
the design name, the part number, and the date and time of creation. The
last field is a big-endian 32 bit unsigned int for the size of the
bitstream.
Print this info when loading the bitstream.
Signed-off-by: Michael Tretter <m.tretter@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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The driver provides functionalities to check and load a bitstream to FPGA.
A boolean parameter to check if FPGA is already programmed is
added.
Signed-off-by: Thomas Haemmerle <thomas.haemmerle@wolfvision.net>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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